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The AAPG/Datapages Combined Publications Database
Showing 34,497 Results. Searched 200,685 documents.
Abstract: Permeability Calculations in Unconsolidated Sands; #90224 (2015)
Saeed Taheri, Shahin Ghomeshi, Apostolos Kantzas
Search and Discovery.com
...) and later modified by Carman (1937, 1956). The resulting equation is largely known as the Kozeny-Carman (KC) equation. This equation has taken several forms...
2015
Downhole Microseismic Mapping of More Than 400 Fracturing Stages on a Multiwell Pad at the Hydraulic Fracturing Test Site (HFTS): Discussion of Operational Challenges and Analytic Results
Neil A. Stegent, Cody Candler
Unconventional Resources Technology Conference (URTEC)
...% of the planned fracture stages. Downhole tiltmeters were also used to validate upward fracture height growth. Multiple geophone arrays, both vertical...
2018
Abstract: LSPSM for Pre-and Poststack Time Lapse Studies; #90187 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
... migration artifacts for the same model. Dead receivers in permanently planted geophone surveys will also cause some artifacts in the Kirchhoff migration...
2014
Application of New Type Curves Using Fractal Concept for Analyzing the Interference Test Data in Dieng Geothermal Reservoir
Doddy Abdassah, I. Nengah Suabdi, Leksono Mucharam, R. Sumantri
Indonesian Petroleum Association
... as: Equation (5) specifies the steady state pressure drop at the sandface due to the skin effect. Applying Laplace transformation to Equations (1)-(6...
1995
Roma Development Drilling Evolution of Well Design and Drilling Performance
Andrew Sellars, Thivanka Dedigama, Mohammad Zaman
Australian Petroleum Production & Exploration Association (APPEA) Journal
... Engineering and Production Operations have been critical in arriving at a fit-for-purpose design. Effect of the industry downturn: The industry downturn spanning...
2019
Waterflooding: Part 10. Reservoir Engineering Methods
A. M. Sam Sarem
AAPG Special Volumes
... or areal sweep efficiency (EP). [EQUATION] where ER = overall recovery (fraction of initial oil in place recovered) ED = displacement efficiency...
1992
Comparison of Petrophysical Characteristics of a Shaly Sand Reservoir Using Shale Volume and Double Layer Models
Fachmy Muhammad Irhamsyah, Andreas Franzona Pangaribuan, Sigit Dermawan, Ismail Halim, Ildrem Syafri, Nanda Natasia, Ika Merdekawati, Adhilaksana, Bagus Wanmasri
Indonesian Petroleum Association
... and porosity as calculated from well logs. While Archie’s equation describes the electrical conductivity behaviour of shale-free rocks. Indonesia, Waxman...
2017
The plug drum effect, or why your microseismic events may not be where you think they are
Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller, T. Shuck, B. Fish
Unconventional Resources Technology Conference (URTEC)
...The plug drum effect, or why your microseismic events may not be where you think they are Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller...
2017
Comments on Calculation of Diffusion Coefficients from Hydrocarbon Concentration Profiles in Rocks: GEOLOGIC NOTE
Michele Moisio Thomas
AAPG Bulletin
..., EQUATION (1) where c = concentration of hydrocarbon, D = diffusion coefficient, t = time, and x = depth. This equation is appropriate only for systems...
1989
Effective Use of High Density VSP Measurements to Predict Pore Pressure and Estimate Mud Weight Ahead of Drilling in the Mahakam Delta, Indonesia
Mohammed Badri, Stephane Gazet, Gregoire de Tonnac
Indonesian Petroleum Association
... inversion method, time to depth conversion can be achieved using Gardner’s equation (Gardner et al, 1974) where density is expressed in terms of velocity...
2005
Petrophysical Relationship to Predict Synthetic Porosity Log; #41124 (2013)
Thariq Guntoro, Intan Putri, and Ayi Syaeful Bahri
Search and Discovery.com
... in that depth, indicating the existence of gas. The Faust’s equation cannot work for gas effect (Crain, 2012). Because of that, the error value is going...
2013
PYRITIZED CRYOGENIAN CYANOBACTERIAL FOSSILS FROM ARCTIC ALASKA
KELSEY R. MOORE, TANJA BOSAK, FRANCIS MACDONALD, KIMBERLY DU, SHARON A. NEWMAN, DANIEL J. G. LAHR, SARA B. PRUSS
PALAIOS
...: The Cryogenian was a time of climatic extremes, with two extended and severe global glaciations bracketing hothouse conditions. The effect...
2017
Visualizing the Internal Physical Characteristics of Carbonate Sediments with Magnetic Resonance Imaging and Petrography
Murray K. Gingras, Bryce MacMillan, Bruce J. Balcom
CSPG Bulletin
... interpretation. Equation 1 relates the signal intensity at any point in a SPRITE image to the proton (water) density po, the experimental parameters tp...
2002
Abstract: EMAT (Electromagnetic-Acoustic Transducers) Technology, a Solution for Cement Evaluation in Difficult Logging Environments; #91204 (2023)
Ramdane Bouchou, Evi Yanty
Search and Discovery.com
... MEOS GEO 2023 EMAT Technology: Theory and Methodology EMAT transducers consist of a transmitter coil, a magnet and a conductive casing. The coil...
2023
Amplitude Recovery of Digitally Recorded Data
Roy O. Lindseth
Pacific Section of AAPG
... the unit impulse response of the seismic recording system. The effect of the convolution process is completely linear. Each reflection coefficient...
1972
Compaction Curves
Brewster Baldwin , Crispin O. Butler
AAPG Bulletin
... shale, and perhaps limestone, has a solidity (S; the complement of porosity) within 5% of the Baldwin-Butler power-law equation, burial depth (in km...
1985
The effects of seismic anisotropy on mining seismology
Andrew King
Petroleum Exploration Society of Australia (PESA)
... to enable the two S phases to be picked individually. Example Microseismic Data Set An example seismic event arrival at a triaxial geophone is shown...
2019
Abstract: Advantages and Disadvantages of Array Depth Placement and Longer Toolstring Apertures; #90187 (2014)
N. Verkhovtseva and J. Shaffner
Search and Discovery.com
.... Introduction Early efforts to monitor hydraulic fractures with downhole geophone receivers employed single receivers in nearby wellbores...
2014
Q-compensation imaging of anisotropic viscous quasi-acoustic media along wavefield propagation path
Bohan Zhang, Huazhong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... absorption attenuation media based on two-way wave equation, however, the mathematical derivation and numerical implementation of two-way wave equation...
2022
An Investigation of the Problem of the Estimation of Gas Reserves
J. Versluys
AAPG Bulletin
..., the porosity of the rock, the effect of encroaching water and oil, and the quantity of gas remaining when the limit of commercial production...
1928
Application of Transport Equations to Groundwater Systems
John D. Bredehoeft , George F. Pinder
AAPG Special Volumes
... to consider simplified subsets of equations for the general problem. The equation of motion for single-component groundwater flow, which describes...
1972
Factors Influencing Productivity: Chapter 4
Sada D. Joshi
AAPG Special Volumes
... analytical solutions are the simplest form of a horizontal well solution. The equation is essentially a modified Darcy's equation to calculate...
1991
Application of Petroleum Exploration/Development Methods to an Environmental Remediation Project, Tinker Air Force Base, Oklahoma
John C. Osweiler, Daniel P. Hunt, David E. Mizell
Tulsa Geological Society
... an apparent resistivity is derived (Dyck, 1991). It employs a large source coil placed on the surface and a receiver coil that moves up or down...
1996
Technological Revolution in Petroleum Exploration: Chapter 11
Edgar Wesley Owen, C. V. Millikan
AAPG Special Volumes
... flocculate drilled clays with little effect on the bentonitic solids, except for some increase in yield or gel strength. They substantially reduce...
1975
Mathematical Model of Electromagnetic Proppant Effects on Heavy Oil Production Rate
Ardina Dwi Listiani, Sudjati Rachmat
Indonesian Petroleum Association
... of iron sand deposits with an Fe content from 38 - 59% (Rusianto et al., 2012). DIFFERENTIAL TRANSFER EQUATION OF temperature at depth is assumed...
2015